./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 ....................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:19:26,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:19:26,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:19:26,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:19:26,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:19:26,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:19:26,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:19:26,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:19:26,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:19:26,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:19:26,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:19:26,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:19:26,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:19:26,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:19:26,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:19:26,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:19:26,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:19:26,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:19:26,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:19:26,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:19:26,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:19:26,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:19:26,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:19:26,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:19:26,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:19:26,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:19:26,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:19:26,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:19:26,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:19:26,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:19:26,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:19:26,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:19:26,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:19:26,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:19:26,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:19:26,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:19:26,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:19:26,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:19:26,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:19:26,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:19:26,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:19:26,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:19:26,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:19:26,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:19:26,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:19:26,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:19:26,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:19:26,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:19:26,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:19:26,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:19:26,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:19:26,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:19:26,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:19:26,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:19:26,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:19:26,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:19:26,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:19:26,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:19:26,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:19:26,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:19:26,831 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:19:26,831 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:19:26,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:19:26,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:26,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:19:26,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:19:26,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:19:26,833 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:19:26,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:19:26,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:19:26,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2021-10-29 04:19:27,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:19:27,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:19:27,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:19:27,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:19:27,123 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:19:27,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-10-29 04:19:27,186 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/273f4bd92/5c6cdb1e2fc8476f9b6eca51465830c4/FLAG4236ac2a6 [2021-10-29 04:19:27,727 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:19:27,727 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-10-29 04:19:27,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/273f4bd92/5c6cdb1e2fc8476f9b6eca51465830c4/FLAG4236ac2a6 [2021-10-29 04:19:28,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/273f4bd92/5c6cdb1e2fc8476f9b6eca51465830c4 [2021-10-29 04:19:28,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:19:28,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:19:28,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:28,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:19:28,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:19:28,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fea0974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28, skipping insertion in model container [2021-10-29 04:19:28,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:19:28,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:19:28,495 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-10-29 04:19:28,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:28,519 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:19:28,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-10-29 04:19:28,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:28,633 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:19:28,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28 WrapperNode [2021-10-29 04:19:28,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:28,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:28,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:19:28,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:19:28,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:28,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:19:28,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:19:28,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:19:28,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:19:28,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:19:28,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:19:28,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:19:28,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:28" (1/1) ... [2021-10-29 04:19:28,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:28,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:19:28,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:19:28,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:19:28,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:19:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-29 04:19:28,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-29 04:19:28,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:19:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-10-29 04:19:28,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-10-29 04:19:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:19:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:19:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:19:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:19:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:19:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-10-29 04:19:28,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-10-29 04:19:28,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:19:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:19:28,894 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 04:19:29,649 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:19:29,650 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-29 04:19:29,651 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-10-29 04:19:29,652 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 04:19:29,659 INFO L168 Benchmark]: Toolchain (without parser) took 1613.32 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.3 MB in the beginning and 40.3 MB in the end (delta: 7.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:29,661 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 65.3 MB in the beginning and 65.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:29,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.21 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.1 MB in the beginning and 70.6 MB in the end (delta: -23.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:29,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.66 ms. Allocated memory is still 104.9 MB. Free memory was 70.3 MB in the beginning and 68.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:29,665 INFO L168 Benchmark]: Boogie Preprocessor took 62.75 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 66.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:29,666 INFO L168 Benchmark]: RCFGBuilder took 864.08 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 40.3 MB in the end (delta: 26.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:29,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 65.3 MB in the beginning and 65.3 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 590.21 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.1 MB in the beginning and 70.6 MB in the end (delta: -23.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.66 ms. Allocated memory is still 104.9 MB. Free memory was 70.3 MB in the beginning and 68.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.75 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 66.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 864.08 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 40.3 MB in the end (delta: 26.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 04:19:29,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:19:32,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:19:32,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:19:32,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:19:32,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:19:32,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:19:32,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:19:32,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:19:32,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:19:32,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:19:32,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:19:32,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:19:32,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:19:32,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:19:32,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:19:32,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:19:32,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:19:32,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:19:32,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:19:32,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:19:32,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:19:32,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:19:32,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:19:32,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:19:32,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:19:32,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:19:32,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:19:32,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:19:32,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:19:32,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:19:32,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:19:32,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:19:32,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:19:32,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:19:32,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:19:32,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:19:32,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:19:32,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:19:32,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:19:32,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:19:32,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:19:32,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 04:19:32,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:19:32,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:19:32,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:19:32,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:19:32,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:19:32,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:19:32,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:19:32,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:19:32,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:19:32,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:19:32,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:19:32,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:19:32,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:19:32,403 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 04:19:32,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 04:19:32,404 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 04:19:32,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:19:32,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:19:32,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:19:32,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:19:32,405 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:19:32,406 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:19:32,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:19:32,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:32,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:19:32,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:19:32,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:19:32,408 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 04:19:32,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 04:19:32,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:19:32,408 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 04:19:32,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:19:32,409 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2021-10-29 04:19:32,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:19:32,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:19:32,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:19:32,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:19:32,867 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:19:32,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-10-29 04:19:32,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/38320da98/8816d51546974132bf00901cffa29f07/FLAGd37a85bc6 [2021-10-29 04:19:33,544 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:19:33,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-10-29 04:19:33,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/38320da98/8816d51546974132bf00901cffa29f07/FLAGd37a85bc6 [2021-10-29 04:19:33,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/data/38320da98/8816d51546974132bf00901cffa29f07 [2021-10-29 04:19:33,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:19:33,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:19:33,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:33,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:19:33,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:19:33,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:33" (1/1) ... [2021-10-29 04:19:33,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62dab068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:33, skipping insertion in model container [2021-10-29 04:19:33,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:33" (1/1) ... [2021-10-29 04:19:33,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:19:33,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:19:34,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-10-29 04:19:34,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:34,417 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:19:34,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-10-29 04:19:34,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:19:34,554 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:19:34,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34 WrapperNode [2021-10-29 04:19:34,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:19:34,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:34,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:19:34,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:19:34,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:19:34,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:19:34,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:19:34,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:19:34,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:19:34,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:19:34,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:19:34,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:19:34,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:34" (1/1) ... [2021-10-29 04:19:34,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:19:34,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:19:34,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:19:34,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:19:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 04:19:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-29 04:19:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-29 04:19:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-10-29 04:19:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-10-29 04:19:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 04:19:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 04:19:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:19:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:19:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 04:19:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 04:19:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-29 04:19:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-10-29 04:19:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-10-29 04:19:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:19:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:19:34,811 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 04:19:35,768 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:19:35,768 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-29 04:19:35,769 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-10-29 04:19:35,770 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 04:19:35,775 INFO L168 Benchmark]: Toolchain (without parser) took 1921.55 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 35.6 MB in the beginning and 58.3 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:35,775 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:35,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.24 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 35.5 MB in the beginning and 66.4 MB in the end (delta: -31.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:35,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.69 ms. Allocated memory is still 94.4 MB. Free memory was 66.4 MB in the beginning and 64.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:35,778 INFO L168 Benchmark]: Boogie Preprocessor took 78.92 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 62.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:19:35,779 INFO L168 Benchmark]: RCFGBuilder took 1050.61 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 58.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:19:35,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory is still 39.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 701.24 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 35.5 MB in the beginning and 66.4 MB in the end (delta: -31.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.69 ms. Allocated memory is still 94.4 MB. Free memory was 66.4 MB in the beginning and 64.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.92 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 62.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1050.61 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 58.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 04:19:35,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e609c19-3ce4-413b-8f25-ad13481dc959/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...